import tool from './tool'

import tool from './tool.ts'
const b:[string, string, number] = ['malcolm', 'gladwell', 196]

tool()
console.log(b[1])
console.log(process)
if (process.env.NODE_ENV === 'development') {
  console.log('---->development')
} else {
  console.log('------>' + process.env.mode)
}
